ContentTranslationHandler::entityFormValidate

ContentTranslationHandler::entityFormValidate($form, FormStateInterface $form_state)

function entityFormValidate($form, FormStateInterface $form_state) {
  if (!$form_state->isValueEmpty('content_translation')) {
    $translation = $form_state->getValue('content_translation');
    // Validate the "authored by" field.
    if (!empty($translation['uid']) && !($account = User::load($translation['uid']))) {
      $form_state->setErrorByName('content_translation][uid', t('The translation authoring username %name does not exist.', array('%name' => $account->getUsername())));
    }
    // Validate the "authored on" field.
    if (!empty($translation['created']) && strtotime($translation['created']) === FALSE) {
      $form_state->setErrorByName('content_translation][created', t('You have to specify a valid translation authoring date.'));
    }
  }
}